I ran a SHOW PROCESSLIST while it was hanging and it does show a sleep being ran: 
mysql> show processlist\g
+-----+-----------+----------------+---------------+---------+------+-
+------+---
---------------+
| Id  | User      | Host           | db            | Command | Time | 
+State | In
fo             |
+-----+-----------+----------------+---------------+---------+------+-
+------+---
---------------+
|  84 | root      | localhost:1332 | rate_calc     | Sleep   |    1 | 
+      | NU
LL             |
|  92 | WebClient | localhost:1346 | sch_oxitest08 | Sleep   |  957 | 
+      | NU
LL             |
| 100 | root      | localhost:1356 | rate_calc     | Query   |    0 | 
+NULL  | sh
ow processlist |
| 106 | root      | localhost:1364 | rate_calc     | Sleep   |   18 | 
+      | NU
LL             |
+-----+-----------+----------------+---------------+---------+------+-
+------+---
---------------+
4 rows in set (0.00 sec)

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In reply to Re^2: MySQL 5.1.11 Select Query by bkiahg
in thread MySQL 5.1.11 Select Query by bkiahg

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